#ifndef __LINUX_SPINLOCK_TYPES_H #define __LINUX_SPINLOCK_TYPES_H /* * include/linux/spinlock_types.h - generic spinlock type definitions * and initializers * * portions Copyright 2005, Red Hat, Inc., Ingo Molnar * Released under the General Public License (GPL). */ #if defined(CONFIG_SMP) # include <asm/spinlock_types.h> #else # include <linux/spinlock_types_up.h> #endif #include <linux/lockdep.h> typedef struct raw_spinlock { arch_spinlock_t raw_lock; #ifdef CONFIG_GENERIC_LOCKBREAK unsigned int break_lock; #endif #ifdef CONFIG_DEBUG_SPINLOCK unsigned int magic, owner_cpu; void *owner; #endif #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; #endif } raw_spinlock_t; #define SPINLOCK_MAGIC 0xdead4ead #define SPINLOCK_OWNER_INIT ((void *)-1L) #ifdef CONFIG_DEBUG_LOCK_ALLOC # define SPIN_DEP_MAP_INIT(lockname) .dep_map = { .name = #lockname } #else # define SPIN_DEP_MAP_INIT(lockname) #endif #ifdef CONFIG_DEBUG_SPINLOCK # define SPIN_DEBUG_INIT(lockname) \ .magic = SPINLOCK_MAGIC, \ .owner_cpu = -1, \ .owner = SPINLOCK_OWNER_INIT, #else # define SPIN_DEBUG_INIT(lockname) #endif #define __RAW_SPIN_LOCK_INITIALIZER(lockname) \ { \ .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ SPIN_DEBUG_INIT(lockname) \ SPIN_DEP_MAP_INIT(lockname) } #define __RAW_SPIN_LOCK_UNLOCKED(lockname) \ (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname) #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) typedef struct spinlock { union { struct raw_spinlock rlock; #ifdef CONFIG_DEBUG_LOCK_ALLOC # define LOCK_PADSIZE (offsetof(struct raw_spinlock, dep_map)) struct { u8 __padding[LOCK_PADSIZE]; struct lockdep_map dep_map; }; #endif }; } spinlock_t; #define __SPIN_LOCK_INITIALIZER(lockname) \ { { .rlock = __RAW_SPIN_LOCK_INITIALIZER(lockname) } } #define __SPIN_LOCK_UNLOCKED(lockname) \ (spinlock_t ) __SPIN_LOCK_INITIALIZER(lockname) #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) #include <linux/rwlock_types.h> #endif /* __LINUX_SPINLOCK_TYPES_H */Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ingo Molnar | 116 | 55.77% | 3 | 37.50% |
Thomas Gleixner | 86 | 41.35% | 3 | 37.50% |
Peter Zijlstra | 3 | 1.44% | 1 | 12.50% |
Nicholas Piggin | 3 | 1.44% | 1 | 12.50% |
Total | 208 | 100.00% | 8 | 100.00% |